Cases vs Controls: Number of Female Participants Aged 18-44 Using Oestrogen Contraceptive With Diagnosis of Venous Thromboembolism After the Start of Follow-up for Each Person
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
Measures 6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note | Source |
|---|---|---|---|---|---|---|
| Risk in group 1 | 0.0063 | 0.00445 | 0.00893 | wilson | ClinicalTrials.gov | |
| Risk in group 2 | 0.00491 | 0.00352 | 0.00685 | wilson | ClinicalTrials.gov | |
| Risk difference, group 1 minus group 2 | 0.00139 | -0.00129 | 0.00437 | newcombe hybrid score | ClinicalTrials.gov | |
| Risk ratio, group 1 over group 2 | 1.28 | 0.79 | 2.09 | log | ClinicalTrials.gov | |
| Odds ratio, group 1 over group 2 | 1.29 | 0.789 | 2.1 | log | ClinicalTrials.gov | |
| Number needed to treat, for one more participant with the outcome on Cases than on Controls | 717 | from the risk difference interval | the interval includes no difference | ClinicalTrials.gov |
Groups 2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code | Source |
|---|---|---|---|---|---|---|
| Group 1 | Cases | All adults with an episode of active atopic dermatitis at any point between 1st Jan 2010 to 1st Jan 2015 will be included for analysis.~Exposure of venous thromboembolism: Composite of pulmonary embolism and deep vein thrombosis | 31 | 4,917 | OG000 | ClinicalTrials.gov |
| Group 2 | Controls | Adults without atopic dermatitis or other skin conditions matched to cases by age, gender, and duration of practice registration.~Exposure of venous thromboembolism: Composite of pulmonary embolism and deep vein thrombosis | 34 | 6,925 | OG001 | ClinicalTrials.gov |
Outcome 5
| Field | Value | Source |
|---|---|---|
| Type | SECONDARY | ClinicalTrials.gov |
| Title | Number of Female Participants Aged 18-44 Using Oestrogen Contraceptive With Diagnosis of Venous Thromboembolism After the Start of Follow-up for Each Person | ClinicalTrials.gov |
| Description | To explore the risk of VTE stratified by oestrogen contraceptive use in females aged 18-44 years at the baseline in people with active AD compared to a matched control population. | ClinicalTrials.gov |
| Time frame | 10 years from index date | ClinicalTrials.gov |
| Population | ClinicalTrials.gov |
Trial 8
| Field | Value | Source |
|---|---|---|
| Title | The Incidence of Venous Thromboembolism in Atopic Dermatitis | ClinicalTrials.gov |
| NCT number | NCT04969653 | ClinicalTrials.gov |
| Phases | ClinicalTrials.gov | |
| Conditions | Venous Thromboembolism, Atopic Dermatitis, Pulmonary Embolism, Deep Vein Thrombosis, Allergic Rhinitis, Allergy to House Dust Mite, Allergy to Animal Dander, Food Allergy, Cows Milk Allergy | ClinicalTrials.gov |
| Interventions | Exposure of venous thromboembolism | ClinicalTrials.gov |
| Lead sponsor | Momentum Data | ClinicalTrials.gov |
| Results first posted | 2024-12-09 | ClinicalTrials.gov |
| Results on ClinicalTrials.gov | https://clinicaltrials.gov/study/NCT04969653?tab=results | ClinicalTrials.gov |
Source 4
| Field | Value | Source |
|---|---|---|
| Release | trial-comparisons-2026-03-23-0.1.0 | ClinicalTrials.gov |
| Release manifest SHA-256 | f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57 | ClinicalTrials.gov |
| AACT copy | 2026-03-23 | ClinicalTrials.gov |
| Tables read | outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet | ClinicalTrials.gov |
Release trial-comparisons-2026-03-23-0.1.0
ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299 ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.
ClinicalTrials.gov: none stated ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.